Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-205 2 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-09-13   
240-205 3 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-09-13   
240-205 4 Washington Zone 10 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-12-02   
240-205 5 Washington Zone 10 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-12-02   
240-205 6 Washington Zone 10 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-10-02   
240-205 7 Washington Zone 10 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-02   
240-205 8 Washington Zone 10 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-02   
240-205 9 Washington Zone 10 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-04-01   
240-206 A Washington Zone 14 MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-206 0 Washington Zone 14 MD   4773 XO MARYLAND, LLC 236      
240-206 1 Washington Zone 14 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-04-18   
240-206 2 Washington Zone 14 MD   4773 XO MARYLAND, LLC 236      
240-206 3 Washington Zone 14 MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-206 4 Washington Zone 14 MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-206 5 Washington Zone 14 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-09-13   
240-206 6 Washington Zone 14 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-15   
240-206 7 Washington Zone 14 MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-10-01   
240-206 8 Washington Zone 14 MD   318J COMCAST IP PHONE LLC 236   2007-11-01   
240-206 9 Washington Zone 14 MD   318J COMCAST IP PHONE LLC 236   2006-03-14   
240-207 A Damascus MD WASJDCDBDS1  4820 CAVALIER EAST LLC - MD 236      
240-207 0 Damascus MD   4820 CAVALIER EAST LLC - MD 236      
240-207 1 Damascus MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-207 2 Damascus MD   5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 236   2005-07-24   
240-207 3 Damascus MD   318J COMCAST IP PHONE LLC 236   2005-07-25   
240-207 4 Damascus MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-03-25   
240-207 5 Damascus MD   4820 CAVALIER EAST LLC - MD 236      
240-207 6 Damascus MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-09-13   
240-207 9 Damascus MD   4820 CAVALIER EAST LLC - MD 236      
240-208 A La Plata MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-209 A Indian Head MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-209 0 Indian Head MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2020-04-29   
240-209 7 Indian Head MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-11-11   
240-209 9 Indian Head MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-210 A Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 0 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 1 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 2 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 3 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 4 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 5 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 6 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 8 Waldorf MD   318J COMCAST IP PHONE LLC 236   2007-07-27   
240-210 9 Waldorf MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-04-29   
240-212 A Oakland MD FRDRMDFRPS0  2593 CORE COMMUNICATIONS, INC. - MD 240      
240-213 A Waldorf MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-213 0 Waldorf MD   876D ONVOY, LLC - MD 236   2021-01-03   
240-213 1 Waldorf MD   876D ONVOY, LLC - MD 236   2021-01-03   
240-213 2 Waldorf MD   876D ONVOY, LLC - MD 236   2021-01-03   
240-213 3 Waldorf MD   876D ONVOY, LLC - MD 236   2020-04-30   
240-213 4 Waldorf MD   876D ONVOY, LLC - MD 236   2020-04-30   

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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